The application of risky division on the research of software risk;

The study on software risk management of the software industry is paid attention to more and more at present,classifies the risk of the software in theory,have proposed the thinking of risk management,and the methods of quantitative managing risk and sof.

The basic concept of software risk is introduced,the characteristic of software risk and the ways to distinguish software risk are analysed.

Water quality models and associated general softwares for river and reservoisr are reviewed in this paper.

The consumption of general software products shows the group consuming peculiarity and consumption conversion need the group consumer co-operate, because there are network externality, consumption lock-in and other special character in the general software~,s consumption.

General software development for tubular-furnace process calculation has been completed in the thesis, including the computation modules such as the combustion calculation, the radiation chamber calculation, the convection chamber calculation, the calculation of the waste heat recovery system and the ventilation system calculation.

Study on the Application of Common Softwares in Physical Virtual Experiments in Middle School;

Based on the long-term experience of design for cam,a new design method for cam has been explored,and the common software for design and analysis of cam has been developed,the application of this common software is also introduced.